Sarah used properties of operations to simplify the expression. identify the property she used at each step. 1) -1.85+2.3+(-0.45)=2.31+(1.85)+(-0.4 5)
2) =2.3+[(-1.85) + (-0.45)]
3) 2.3 + (-2.3)
4) = 0

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

What does independent variable and dependent variable mean in math?

Use the drop-down menus to complete the statements to match the information shown by the graph.